TMPR4938 datasheet(63/716 Pages) TOSHIBA

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Chapter 3 Signals

3-9

3.1.14 ETHER Interface Signals (Channel 1)

Table 3.1.14 ETHER Interface Signals (Channel 1)

Signal Name

Type

Description

Initial State

E1COL

Input

Collision detection signal

This is collision detection signal. This signal is common with the other functions (refer to

Section “3.3 Pin multiplex”). Use the configuration setting during boot-up.

Input

E1TXCLK

Input

Transmit clock

This is IO write signal. This signal is common with the other functions (refer to Section

“3.3 Pin multiplex”). Use the configuration setting during boot-up.

Input

E1TXD[3:0]

Output

Transmit data

This is the transmitting data signal. These signals are common with the other functions

(refer to Section “3.3 Pin multiplex”). Use the configuration setting during boot-up.

Low

E1TXEN

Output

Transmit Enable

This is the transmitting enable signal. These signals are common with the other functions

(refer to Section “3.3 Pin multiplex”). Use the configuration setting during boot-up.

Low

E1TXER

Output

Transmit Error indicator

This is the transmitting error signal. These signals are common with the other functions

(refer to Section “3.3 Pin multiplex”).

Low

E1CRS

Input

Carrier sense signal

This is the carrier sense signal. These signals are common with the other functions (refer

to Section “3.3 Pin multiplex”). Use the configuration setting during boot-up.

Input

E1RXCLK

Input

Receive clock

This is the receive clock signal. These signals are common with the other functions (refer

to Section “3.3 Pin multiplex”). Use the configuration setting during boot-up.

Input

E1RXD[3:0]

Input

Receive data

This is the receive data signal. These signals are common with the other functions(refer

to Section “3.3 Pin multiplex”). Use the configuration setting during boot-up.

Input

E1RXDV

Input

Receive data valid signal

This is the receive data valid signal. These signals are common with the other functions

(refer to Section “3.3 Pin multiplex”). Use the configuration setting during boot-up.

Input

E1RXER

Input

Receive Error indicator input

This is the receive error indicator signal. These signals are common with the other

functions (refer to Section “3.3 Pin multiplex”). Use the configuration setting during boot-

up.

Input

E1MDC

Output

Management data clock output

This is the management data clock signal. These signals are common with the other

functions (refer to Section “3.3 Pin multiplex”). Use the configuration setting during boot-

up.

Low

E1MDIO

Input/output

Management data bi-directional signal

This is the management data bi-directional signal. These signals are common with the

other functions (refer to Section “3.3 Pin multiplex”). Use the configuration setting during

boot-up.

Input

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